<template>
  <div>
    <!-- <el-radio-group v-model="isCollapse" style="margin-bottom: 20px">
      <el-radio-button :label="false">展开</el-radio-button>
      <el-radio-button :label="true">收起</el-radio-button>
    </el-radio-group> -->
    <el-menu
      default-active="1-4-1"
      class="el-menu-vertical-demo"
      @open="handleOpen"
      @close="handleClose"
      :collapse="isCollapse"
      background-color="rgb(0,21,41)"
      text-color="#fff"
      active-text-color="rgb(24,144,255)"
    >
    <h3>{{isCollapse ? '后台' :"通用后台管理系统"}}</h3>
      <el-menu-item @click="clickMenu(item)" v-for="item in noChildren" :key="item.name" :index="item.name">
        <i :class="`el-icon-${item.icon}`"></i>
        <span slot="title">{{ item.label }}</span>
      </el-menu-item>
      <el-submenu v-for="item in hasChildren" :key="item.label" :index="item.label">
        <template slot="title">
          <i :class="`el-icon-${item.icon}`"></i>
          <span slot="title">{{ item.label }}</span>
        </template>
        <el-menu-item-group v-for="child in item.children" :key="child.path">
          <el-menu-item @click="clickMenu(child)" :index="child.path">{{ child.label }}</el-menu-item>
        </el-menu-item-group>
      </el-submenu>
    </el-menu>
  </div>
</template>

<script>
import Cookie from 'js-cookie'
export default {
  data() {
    return {
    };
  },
  methods: {
    handleOpen(key, keyPath) {
      console.log(key, keyPath);
    },
    handleClose(key, keyPath) {
      console.log(key, keyPath);
    },
    clickMenu(item){
      if(this.$route.path !== item.path && !(this.$route.path === '/home' && item.path === '/')){
        this.$router.push(item.path)
      }
      this.$store.commit('SELECTMENU',item)
    }
  },
  computed: {
    //没有子菜单的
    noChildren() {
      return this.menuData.filter((item) => !item.children);
    },
    //有子菜单的
    hasChildren() {
      return this.menuData.filter((item) => item.children);
    },
    menuData(){
      return JSON.parse(Cookie.get('menu')) || this.$store.state.tab.menu;
    },
    isCollapse(){
      return this.$store.state.tab.isCollapse
    }
  },
};
</script>

<style lang="less" scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 200px;
  min-height: 400px;
  box-shadow: 2px 0 6px rgb(0 21 41 / 35%);
}
.el-menu{
  height: 100vh;
  border-right: none;
  
  h3{
    color: #fff;
    text-align: center;
    line-height: 48px;
    font-size: 16px;
    font-weight: 400;
    box-shadow: 2px 0 6px rgb(0 21 41 / 35%);
  }
}

</style>
